Microbial Changes in the Gingival Sulcus Can Cause a Shift

question 8

Multiple Choice

Microbial changes in the gingival sulcus can cause a shift from a healthy microbial flora to a more pathogenic microbial flora.This change has been attributed to those decreased levels of hormones in the blood,namely estrogen and progesterone.

• A) Both statements are true.
• B) Both statements are false.
• C) The first statement is true; the second is false.
• D) The first statement is false; the second is true.

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Definitions:

Island Arc

A curved series of volcanic islands located at a tectonic plate boundary, typically formed above a subducting plate.

Convergent Plate Boundary

A region where two tectonic plates move towards each other, often causing earthquakes and forming mountains.

Oceanic Trench

A deep, narrow depression in the ocean floor, usually occurring at subduction zones where one tectonic plate is being forced under another.

Island Chain

A series of islands formed close to each other, often as a result of volcanic activity.